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        var obj = {
            uname: '刘德华',
            age: 110,
            nas: '打篮球',
        };
        var nast = Object.keys(obj)
        nast.forEach(function (value) {
            nasty = obj[value]
            console.log(nasty);
            nasty = 'sb:' + nasty
            console.log(nasty);
        })


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